From: Jonathan Wakely <jwakely@redhat.com>
Date: Mon, 11 Apr 2022 19:13:44 +0000 (+0100)
Subject: libstdc++: Fix incorrect branch prediction hint in std::stacktrace
X-Git-Tag: upstream/12.2.0~605
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b1124648ff8f655307f264d7b353fd68e3b03e9c;p=platform%2Fupstream%2Fgcc.git

libstdc++: Fix incorrect branch prediction hint in std::stacktrace

libstdc++-v3/ChangeLog:

	* include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate):
	Change [[unlikely]] attribute to [[likely]].
---

diff --git a/libstdc++-v3/include/std/stacktrace b/libstdc++-v3/include/std/stacktrace
index dd78c71..79038e8 100644
--- a/libstdc++-v3/include/std/stacktrace
+++ b/libstdc++-v3/include/std/stacktrace
@@ -579,7 +579,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	{
 	  __try
 	    {
-	      if (0 < __n && __n <= _S_max_size(__alloc)) [[unlikely]]
+	      if (0 < __n && __n <= _S_max_size(__alloc)) [[likely]]
 		{
 		  _M_frames = __alloc.allocate(__n);
 		  _M_capacity = __n;